—Why do you look worried?— Because what I am really concerned about is _____my friend can do me a favor or not..
#32847
A
although
B
whether
C
when
D
where
推荐题目
________ the tower building,where you can see the whole city
#31201
A
Standing on the top of
B
If you climb to
C
When you reach the top of
D
Get to the top of
–Have you talked to him? --Yes. _________ I met him in Beijing on business.
#31747
A
For the first time
B
The first time
C
First time
D
From the first time